Question

Ship A is located 3.8 km north and 2.5 km east of
shipB. Ship A has a velocity of 22 km/h toward
thesouth and ship B has a velocity of 38 km/h in a
direction38° north of east. What are the (a) x-component
and(b) y-component of the velocity (both in km/h)
ofA relative to B? (Axis directions are
determinedby the unit vectors and , where is toward the east.) (c) At what time
(inh) is the separation between the ships least? (d) What is
thatleast separation, in km?